LTC6563HUDDM#WPBF

Overview

The LTC6563HUDDM#WPBF is an automotive-grade, low-noise four-channel transimpedance amplifier with output multiplexing. It features a 600MHz bandwidth and selectable transimpedance gains of 22.2kΩ, 16.7kΩ, 11.1kΩ, or 5.55kΩ. The device supports a linear input current range up to 90µA and includes an internal 4-to-1 MUX for channel selection. It operates on a 3.3V supply with power dissipation ranging from 194mW to 325mW depending on the output mode.

Feature Summary

• Integrated high-speed differential ADC driver with built-in output multiplexing
• Selectable transimpedance gain configuration via external logic pins
• Fast overload recovery and rapid channel switching capabilities
• AEC-Q100 Grade 1 qualified for automotive reliability standards

Applications

• Automotive LIDAR receivers
• Industrial LIDAR receivers

Procurement Notes

Verify that the specific part number suffix matches the required temperature grade and automotive qualification status. Confirm package availability and lead times directly with Analog Devices or authorized distributors. Ensure ordering specifications align with the intended application environment and quality requirements.

Selection Notes

Select this component when designing systems requiring multiple photodiode channels with shared readout electronics. The integrated multiplexer reduces board space compared to discrete solutions. Consider the available gain settings and noise performance relative to the connected photodetector capacitance and required bandwidth.

Part Context

This part belongs to the LTC6563 family of transimpedance amplifiers. It is specifically designated for automotive applications through its #WPBF suffix, indicating compliance with AEC-Q100 Grade 1 standards. It shares core functionality with standard industrial versions but undergoes controlled manufacturing processes for enhanced reliability.

Replacement Considerations

LTC6563HUDDM#PBF

FAQ

What is the maximum transient overload current supported by the amplifier inputs?

The amplifier inputs can handle large transient overload currents exceeding 1A peak.

How does the device manage channel selection internally?

It utilizes an internal 4-to-1 multiplexer controlled by CHSEL0 and CHSEL1 pins to select among the four independent transimpedance amplifier channels.